7. Remove the six screws that secure the system board.
Figure 25. Removing the six screws that secure the system board
8. Carefully slide the system board so that it can be released from the mounting studs that secure the
system board in place.
9. Lift the system board out of the chassis.
10. Remove the microprocessor from the failing system board and install it on the new system board.
See “Replacing the microprocessor” on page 83.
11. Install the new system board into the chassis by aligning the six mounting studs in the chassis with the
corresponding holes in the new system board. Carefully slide the new system board into the chassis until
it is secured in place by the mounting studs. Then, install the six screws to secure the system board.
12. Install the heat sink and fan assembly and connect the heat sink and fan assembly cable to the new
system board. See “Replacing the heat sink and fan assembly” on page 80.
13. Install all memory modules and PCI cards removed from the failing system board on the new system
board. See “Installing or replacing a memory module” on page 76 and “Installing or replacing a PCI
card” on page 72.
14. Reconnect all remaining cables to the system board. See “Locating parts on the system board”
on page 67.
15. To complete the replacement, go to “Completing the parts replacement” on page 90.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
86
Lenovo H520e Hardware Maintenance Manual
Summary of Contents for ideaCentre H520e
Page 1: ...Lenovo H520e Hardware Maintenance Manual ideaideaideaCentreidea Machine Types 90AM ...
Page 6: ...2 Lenovo H520e Hardware Maintenance Manual ...
Page 13: ...Chapter 2 Safety information 9 ...
Page 17: ...Chapter 2 Safety information 13 ...
Page 18: ...1 2 14 Lenovo H520e Hardware Maintenance Manual ...
Page 19: ...1 2 Chapter 2 Safety information 15 ...
Page 24: ...1 2 20 Lenovo H520e Hardware Maintenance Manual ...
Page 25: ...1 2 Chapter 2 Safety information 21 ...
Page 28: ...24 Lenovo H520e Hardware Maintenance Manual ...
Page 32: ...28 Lenovo H520e Hardware Maintenance Manual ...
Page 56: ...52 Lenovo H520e Hardware Maintenance Manual ...
Page 62: ...58 Lenovo H520e Hardware Maintenance Manual ...
Page 96: ...92 Lenovo H520e Hardware Maintenance Manual ...
Page 109: ......
Page 110: ......